Written by cpm
Download PDF The stem-based complex can be most difficult to identify, with a number of issues raised in a recent CPM/Bayer survey. In a bid to bring growers answers, CPM has delved deep into the symptoms, situations and solutions for these yield-robbing diseases. It’s all about building an awareness of risk. By Charlotte Cunningham Of all winter wheat diseases, the stem-based complex is probably one of the hardest to identify. Stem-based browning could be just that, or it could be eyespot. And if it is, then is it sharp or true eyespot? Add in mildew and fusarium to the mixture and you have quite a range of disease threats. In short it isn’t easy, and even some of the best plant pathologists have been perplexed at times— especially as these diseases often strike when plants are still small, making observation difficult. Stem-based diseases include foot rot, microdochium and mildew, but according to a recent survey carried out by CPM and Bayer, it’s eyespot (true) and fusarium that sit at the top of the table when it comes to the biggest threats on farm, with 77% and 58% of growers stating it as their main stem-based threat to winter wheat crops,…
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